<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>隐藏输入域</title>
</head>
<body>
  <center>
    <h1>隐藏输入域</h1>
    用于需要给服务端传递的表单中某个数据，但是由不希望用户修改的
    <form action="/myweb/updateArticle" method="get">
        <input type="hidden" name="title" value="隐藏域">
        <table border="1">
            <tr>
                <td>标题</td>
                <td>隐藏域</td>
            </tr>
            <tr>
                <td>作者</td>
                <td><input type="text" name="author"></td>
            </tr>
            <tr>
                <td colspan="2" align="center"><textarea cols="50" rows="20" name="content"></textarea></td>
            </tr>
            <tr>
                <td colspan="2" align="center"><input type="submit" value="修改"></input></td>
            </tr>
        </table>
    </form>
  </center>
</body>
</html>